Samson 3222 Series - Page 21

EB 5866 EN 3-7
Design and principle of operation
Table 3-3: Valve sizes and K
VS
coefcients
Valve size
Globe valve with male
thread connection or
with anged body
DN 15 20 25 32 40 50
Connection size
Globe valve with female
thread
G ½ ¾ 1 – – –
K
VS
coefcients 4
1)
· 3.6
2)
6.3
1)
·
5.7
2)
8
1)
·
7.2
2)
16
1)
20
1)
25
1)
Reduced K
VS
coefcients
0.1· 0.16 · 0.25
· 0.4 · 0.63 ·
1.0 · 1.6 · 2.5
1.0 · 1.6 · 2.5 ·
4
1)
· 3.6
2)
10
3)
– –
Rated travel mm 6 6 6 12 12 12
1)
Version with male thread connection or with anged body
2)
Version with female thread
3)
6mm rated travel
Table 3-4: Materials
Valve body CC499K (CuSn5Zn5Pb2-C)
Version with anged body EN-GJS-400-18-LT (GGG-40.3)
Seat Stainless steel 1.4305
Plug
1.4305/CW602N with soft seal
1.4305 with 0.1≤K
VS
≤2.5
Valve spring Stainless steel 1.4310
Gasket EPDM/FKM · Oil-resistant version: FKM
Welding ends 1.0460
Threaded ends CW617N
Screwed-on anges 1.0460/1.0038
Noise emissions
SAMSON is unable to make general statements about noise emissions. The noise emissions
depend on the valve version, plant facilities and process medium.